Once you put aside the fact that they both love Emma, they were friends and Hook was willing to become a father figure to Bae when Bae stowed away on the Jolly Roger and he found out that he was Milah's son.
Ki Hong's like "what are you doin, man?" And Dylan's all like "don't judge, bro" But he's obviously rowing a boat.
This would be absolutely AMAZING. Just imagine Percy inviting the coach back to Camp Half-Blood and Charon just getting all teary eyed and welcoming.